:root {
  color-scheme: dark;
  --ink: #f4f8ff;
  --muted: #b8c9dd;
  --soft: #8fa8c2;
  --navy: #07152b;
  --navy-deep: #041126;
  --blue: #1976d2;
  --cyan: #57c7ff;
  --teal: #20b6a5;
  --line: rgba(190, 219, 249, 0.16);
  --card: rgba(255, 255, 255, 0.045);
  --content: 1160px;
  font-family: Inter, "Segoe UI", Arial, sans-serif;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 320px;
  background: var(--navy);
  color: var(--ink);
  line-height: 1.6;
}
a { color: inherit; }
img { display: block; max-width: 100%; }
.wrap { width: min(var(--content), calc(100% - 48px)); margin-inline: auto; }
.skip-link {
  position: absolute;
  z-index: 20;
  top: 8px;
  left: 8px;
  padding: 10px 14px;
  transform: translateY(-160%);
  border-radius: 8px;
  background: white;
  color: var(--navy);
}
.skip-link:focus { transform: translateY(0); }
.site-header {
  position: relative;
  z-index: 5;
  border-bottom: 1px solid rgba(187, 218, 248, 0.1);
  background: rgba(5, 17, 37, 0.78);
}
.nav-row { min-height: 82px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; font-size: 19px; font-weight: 800; letter-spacing: -0.03em; white-space: nowrap; }
.brand img { border-radius: 13px; box-shadow: 0 6px 22px rgba(0, 0, 0, 0.25); }
nav { display: flex; align-items: center; gap: 30px; margin-left: auto; }
nav a, .site-footer a { color: var(--muted); text-decoration: none; font-size: 14px; }
nav a:hover, .site-footer a:hover { color: white; }
.nav-cta { padding: 12px 17px; border: 1px solid rgba(110, 195, 255, 0.42); border-radius: 12px; background: rgba(25, 118, 210, 0.18); color: white; text-decoration: none; font-weight: 700; font-size: 14px; white-space: nowrap; }
.nav-cta:hover { background: rgba(25, 118, 210, 0.34); }
.hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(ellipse at 78% 42%, rgba(0, 118, 226, 0.17), transparent 38%),
    linear-gradient(145deg, #07152b 0%, #08284b 58%, #07152b 100%);
}
.hero::before, .hero::after {
  position: absolute;
  color: rgba(146, 198, 255, 0.055);
  font-weight: 900;
  line-height: 1;
  pointer-events: none;
}
.hero::before { content: "+"; left: -28px; top: 50px; font-size: 250px; }
.hero::after { content: "×"; right: 2%; bottom: 10px; font-size: 220px; }
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.05fr 0.95fr; align-items: center; gap: 42px; min-height: 680px; padding-block: 48px 70px; }
.hero-copy { padding-block: 40px; }
.eyebrow { margin: 0 0 15px; color: #7bd2ff; font-size: 12px; font-weight: 800; letter-spacing: 0.14em; line-height: 1.4; }
.eyebrow-dot { display: inline-block; width: 8px; height: 8px; margin-right: 8px; border-radius: 50%; background: #39d7c3; box-shadow: 0 0 15px rgba(57, 215, 195, 0.85); vertical-align: 1px; }
h1, h2, h3, p { margin-top: 0; }
h1 { max-width: 630px; margin-bottom: 21px; font-size: clamp(54px, 6.4vw, 82px); line-height: 0.99; letter-spacing: -0.067em; }
h1 span { color: #65c7ff; }
.lead { max-width: 590px; margin-bottom: 28px; color: #c3d4e8; font-size: 19px; line-height: 1.65; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 50px; padding: 0 20px; border-radius: 12px; text-decoration: none; font-size: 14px; font-weight: 800; transition: transform 160ms ease, background 160ms ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { background: linear-gradient(135deg, #1686e3, #1262c5); color: white; box-shadow: 0 10px 28px rgba(11, 104, 200, 0.26); }
.button-primary:hover { background: linear-gradient(135deg, #2499f4, #1470da); }
.button-secondary { border: 1px solid rgba(198, 221, 244, 0.26); background: rgba(255, 255, 255, 0.045); color: #e6f0fb; }
.button-secondary:hover { background: rgba(255, 255, 255, 0.09); }
.small-note { margin: 15px 0 0; color: var(--soft); font-size: 12px; }
.hero-keywords { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 27px; }
.hero-keywords span { padding: 6px 9px; border: 1px solid rgba(151, 194, 236, 0.17); border-radius: 7px; color: #a6bed8; font-size: 9px; font-weight: 800; letter-spacing: 0.1em; }
.hero-art { position: relative; display: flex; justify-content: center; align-self: stretch; min-height: 570px; padding-block: 0; }
.hero-art > img { position: relative; z-index: 1; width: min(395px, 83%); height: auto; align-self: center; border: 1px solid rgba(186, 218, 247, 0.42); border-radius: 28px; box-shadow: 0 30px 90px rgba(0, 0, 0, 0.5); }
.hero-glow { position: absolute; inset: 18% 8%; border-radius: 50%; background: rgba(0, 142, 255, 0.2); filter: blur(72px); }
.orbit { position: absolute; z-index: 2; display: grid; place-items: center; width: 62px; height: 62px; border: 1px solid rgba(187, 220, 248, 0.25); border-radius: 18px; background: rgba(14, 44, 78, 0.86); color: #a5dfff; font-size: 28px; font-weight: 800; box-shadow: 0 12px 32px rgba(0, 0, 0, 0.2); }
.orbit-one { top: 18%; left: 5%; }
.orbit-two { right: 1%; bottom: 16%; color: #ffba4c; }
.facts { border-block: 1px solid var(--line); background: #091b34; }
.fact-grid { display: grid; grid-template-columns: repeat(4, 1fr); padding-block: 26px; }
.fact-grid > div { display: flex; align-items: center; gap: 13px; padding-inline: 22px; border-right: 1px solid var(--line); }
.fact-grid > div:first-child { padding-left: 0; }
.fact-grid > div:last-child { padding-right: 0; border-right: 0; }
.fact-grid strong { color: #80d4ff; font-size: 24px; line-height: 1.1; white-space: nowrap; }
.fact-grid span { color: #a9bdd4; font-size: 12px; line-height: 1.3; }
.section { padding-block: 96px; }
.section h2, .final-cta h2 { max-width: 760px; margin-bottom: 14px; font-size: clamp(34px, 4vw, 50px); line-height: 1.08; letter-spacing: -0.05em; }
.section-intro { max-width: 670px; margin-bottom: 34px; color: var(--muted); font-size: 16px; }
.feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: 36px; }
.feature-card { min-height: 242px; padding: 24px 21px; border: 1px solid var(--line); border-radius: 18px; background: linear-gradient(155deg, rgba(255, 255, 255, 0.065), rgba(255, 255, 255, 0.018)); box-shadow: 0 12px 34px rgba(0, 0, 0, 0.1); }
.feature-icon { display: grid; place-items: center; width: 45px; height: 45px; margin-bottom: 19px; border-radius: 13px; background: rgba(44, 148, 237, 0.16); color: #75caff; font-size: 23px; font-weight: 800; }
.feature-card h3 { margin-bottom: 7px; font-size: 17px; letter-spacing: -0.02em; }
.feature-card p { margin: 0; color: #aebfd3; font-size: 13px; line-height: 1.65; }
.feature-teal .feature-icon { background: rgba(28, 182, 157, 0.17); color: #4de0c7; }
.feature-orange .feature-icon { background: rgba(243, 159, 33, 0.17); color: #ffc46a; }
.feature-purple .feature-icon { background: rgba(164, 74, 218, 0.18); color: #d49aff; }
.section-tinted { border-block: 1px solid rgba(191, 221, 250, 0.09); background: linear-gradient(110deg, #0a1d37, #0a2441 52%, #091a31); }
.levels-grid { display: grid; grid-template-columns: 0.95fr 1.05fr; align-items: center; gap: 72px; }
.levels-grid .section-intro { margin-bottom: 24px; }
.level-list { display: grid; gap: 13px; padding: 0; margin: 0; list-style: none; }
.level-list li { display: flex; align-items: center; gap: 13px; }
.level-dot { flex: 0 0 auto; width: 10px; height: 10px; border-radius: 50%; background: #45d3bd; box-shadow: 0 0 14px currentColor; }
.level-dot.medium { background: #54b4ff; }
.level-dot.hard { background: #ff8c40; }
.level-dot.extreme { background: #c176fb; }
.level-dot.inferno { background: #ffc044; }
.level-list li span:last-child { display: grid; gap: 1px; }
.level-list strong { font-size: 14px; }
.level-list small { color: #9fb3ca; font-size: 12px; }
.level-art { position: relative; max-width: 430px; margin: 0 auto; }
.level-art img { width: 100%; height: auto; border: 1px solid rgba(186, 218, 247, 0.36); border-radius: 22px; box-shadow: 0 26px 60px rgba(0, 0, 0, 0.28); }
.level-art figcaption { position: absolute; right: -22px; bottom: 23px; padding: 10px 15px; border: 1px solid rgba(142, 208, 251, 0.22); border-radius: 10px; background: rgba(4, 18, 38, 0.91); color: #dcecff; font-size: 12px; font-weight: 700; }
.progress-grid { display: grid; grid-template-columns: 1fr 0.8fr; align-items: center; gap: 80px; }
.progress-copy p:last-child { max-width: 630px; margin-bottom: 0; color: var(--muted); }
.progress-points { display: grid; gap: 12px; }
.progress-points > div { display: flex; align-items: center; gap: 15px; padding: 15px 17px; border: 1px solid var(--line); border-radius: 14px; background: var(--card); }
.progress-points > div > span { display: grid; place-items: center; flex: 0 0 auto; width: 42px; height: 42px; border-radius: 12px; background: rgba(35, 145, 223, 0.16); color: #7ed1ff; font-size: 21px; font-weight: 800; }
.progress-points p { display: grid; gap: 1px; margin: 0; }
.progress-points strong { font-size: 14px; }
.progress-points small { color: #9fb3ca; font-size: 12px; }
.screenshots-section { overflow: hidden; background: linear-gradient(180deg, #08182e, #061327); }
.gallery { display: grid; grid-template-columns: repeat(4, minmax(150px, 1fr)); gap: 17px; margin-top: 38px; }
.gallery figure { margin: 0; }
.gallery img { width: 100%; height: auto; border: 1px solid rgba(177, 214, 248, 0.2); border-radius: 16px; box-shadow: 0 16px 38px rgba(0, 0, 0, 0.25); }
.gallery figcaption { padding-top: 12px; color: #bdcfe2; font-size: 12px; font-weight: 700; }
.faq-section { padding-block: 90px; }
.faq-wrap { max-width: 960px; }
.faq-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 34px; }
.faq-grid article { padding: 21px 22px; border: 1px solid var(--line); border-radius: 14px; background: rgba(255, 255, 255, 0.035); }
.faq-grid h3 { margin-bottom: 7px; font-size: 15px; }
.faq-grid p { margin: 0; color: #adbed2; font-size: 13px; line-height: 1.7; }
.final-cta { padding-block: 48px; border-block: 1px solid rgba(153, 204, 245, 0.17); background: radial-gradient(ellipse at 15% 50%, rgba(29, 129, 211, 0.2), transparent 42%), #0a203a; }
.final-cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.final-cta h2 { margin-bottom: 7px; font-size: clamp(30px, 3.5vw, 42px); }
.final-cta p:not(.eyebrow) { margin: 0; color: var(--muted); font-size: 14px; }
.site-footer { padding-block: 24px; background: #041024; }
.footer-row { display: flex; align-items: center; justify-content: space-between; gap: 18px; color: #879ab1; font-size: 12px; }

@media (max-width: 920px) {
  .hero-grid { grid-template-columns: 1fr 0.78fr; gap: 15px; min-height: 610px; }
  .hero-art { min-height: 520px; }
  .hero-art > img { width: min(340px, 92%); }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .gallery { grid-template-columns: repeat(3, minmax(145px, 1fr)); }
  .levels-grid { gap: 35px; }
}
@media (max-width: 680px) {
  .wrap { width: min(var(--content), calc(100% - 36px)); }
  .nav-row { min-height: 70px; gap: 12px; }
  .brand { gap: 8px; font-size: 16px; }
  .brand img { width: 38px; height: 38px; border-radius: 11px; }
  nav { display: none; }
  .nav-cta { padding: 10px 12px; font-size: 11px; }
  .hero-grid { display: flex; flex-direction: column; gap: 12px; padding-block: 52px 40px; }
  .hero-copy { padding-block: 0; }
  h1 { font-size: clamp(53px, 14vw, 72px); }
  .lead { font-size: 16px; }
  .hero-art { width: 100%; min-height: auto; padding-block: 16px 0; }
  .hero-art > img { width: min(330px, 76%); }
  .orbit-one { top: 20%; left: 3%; }
  .orbit-two { right: 0; bottom: 13%; }
  .fact-grid { grid-template-columns: 1fr 1fr; gap: 17px 0; padding-block: 21px; }
  .fact-grid > div { padding-inline: 13px; border-right: 0; }
  .fact-grid > div:nth-child(odd) { padding-left: 0; border-right: 1px solid var(--line); }
  .fact-grid > div:nth-child(even) { padding-right: 0; }
  .fact-grid strong { font-size: 21px; }
  .fact-grid span { font-size: 11px; }
  .section { padding-block: 68px; }
  .section h2 { font-size: 36px; }
  .section-intro { font-size: 14px; }
  .feature-grid { gap: 10px; margin-top: 26px; }
  .feature-card { min-height: 220px; padding: 18px 15px; }
  .feature-card h3 { font-size: 15px; }
  .feature-card p { font-size: 12px; }
  .levels-grid, .progress-grid { grid-template-columns: 1fr; gap: 35px; }
  .level-art { width: min(380px, 84%); }
  .level-art figcaption { right: -14px; bottom: 16px; }
  .gallery { grid-template-columns: repeat(2, minmax(135px, 1fr)); gap: 13px; }
  .gallery img { border-radius: 12px; }
  .gallery figcaption { font-size: 11px; }
  .faq-grid { grid-template-columns: 1fr; gap: 10px; }
  .faq-grid article { padding: 18px; }
  .final-cta-inner { align-items: flex-start; flex-direction: column; gap: 23px; }
  .footer-row { justify-content: flex-start; flex-wrap: wrap; gap: 10px 19px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: 0.01ms !important; }
}